Malicious PDF — malware analysis report

Static analysis result for SHA-256 02d369d314963114…

MALICIOUS

PDF

227.4 KB Created: 2021-07-03 17:21:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 43809078dc84ea4672c253a4479d4a5d SHA-1: 8ce05b39a02b8be88b85b780fec46b10ca5b7214 SHA-256: 02d369d3149631147e4265fed7a1c1699db79dcaba52f2393284bb8b52038076
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains heuristics indicating it presents a fake CAPTCHA and a call-to-action button to trick the user into downloading a fake application. The embedded URL points to a suspicious domain likely hosting the malicious payload. The document's content and heuristics suggest a social engineering attack aimed at tricking users into installing potentially unwanted software or malware.

Machine Learning

  • Nyx PDF Classifier clean score 0.0118

Heuristics 6

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.tw/app/1094591345/pokemon-go-for-free-app-game-hack
    • http://www.perpustakaan.unda.ac.id/repository/earn-free-spins-for-coin-master_GM406889139.pdf
    • http://www.perpustakaan.unda.ac.id/repository/roblox-hack-999999-robux-ios_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id//repository/www-bandicam-com-free-robux_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id//repository/get-free-robux-gg_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id//repository/coin-master-spins-hack-iphone_GM406889139.pdf
    • http://www.perpustakaan.unda.ac.id/repository/minecraft-linux-free_GM479516143.pdf
    • http://www.perpustakaan.unda.ac.id//repository/free-spin-coin-master-game_GM406889139.pdf
    • http://www.perpustakaan.unda.ac.id/repository/vehicule-simulator-roblox-hack_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/how-to-hack-roblox-games-without-cheat-engine-2021_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/roblox-installer-free-download_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/give-me-robux-now_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/free-robux-generator-no-verification-or-survey_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/free-robux-no-human-verification-no-downloading-apps_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id//repository/coin-master-free-spins-cheat_GM406889139.pdf
    • http://www.perpustakaan.unda.ac.id/repository/free-robux-no-verify_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/free-tv-series-roblox-shirt_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id/repository/exploit-roblox-hack_GM431946152.pdf
    • http://www.perpustakaan.unda.ac.id//repository/coin-master-hacks-no-verification_GM406889139.pdf
    • http://www.perpustakaan.unda.ac.id/repository/coin-master-spin-hack-without-verification_GM406889139.pdf
    • http://www.perpustakaan.unda.ac.id//repository/best-free-roblox-executor_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_023_off00032268.bin
d521bcea35908912be44125d00db3327c4dfd89739489dc6ce8a8aaf4a430c20		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32268 25576 bytes
font_01_sfnt_off00035e66.bin
fa6649abcd9ca06b5af2626126c36d289b1fe590ceb0042e13f79c54d30c02b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35E66 18532 bytes

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